package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.exception.BusinessException;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    /**
     * 新增分类
     * @return
     */
    @PostMapping
     public R<String> save(@RequestBody Category category){
          log.info("category:{}",category);
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Category::getName,category.getName());
        Category one = categoryService.getOne(wrapper);
        if(one!=null){
            if(category.getType()==1){
                throw new BusinessException("新增菜品分类名字"+category.getName()+"已重复");
            }else {
                throw new BusinessException("新增套餐"+category.getName()+"已重复");
            }
        }
        categoryService.save(category);
        return R.success("新增分类成功");
     }

    /**
     * 分页查询
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //创建分页构造器
        Page<Category> pageInfo=new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        //添加条件
        wrapper.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInfo,wrapper);
        return R.success(pageInfo);


    }

    /**
     * 根据id删除
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类,id为:{}",id);

        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }
    /**
     * 修改
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);
        categoryService.updateById(category);

        return R.success("修改分类信息成功");
    }


    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        log.info(category.toString());
        // 条件构造器
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(category.getType()!=null,Category::getType,category.getType());
        wrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(wrapper);

        return R.success(list);
    }
}
